thoerup/traininfo/WelcomeScreen.java

package dk.thoerup.traininfo;


import java.util.ArrayList;

import android.app.Activity;
import android.app.ProgressDialog;
import android.content.Intent;
import android.content.SharedPreferences;
import android.content.SharedPreferences.Editor;
import android.location.Location;
import android.net.Uri;
import android.os.AsyncTask;
import android.os.Bundle;
import android.os.Handler;
import android.util.Log;
import android.view.Menu;
import android.view.MenuItem;
import android.view.View;
import android.view.View.OnClickListener;
import android.view.Window;
import android.widget.Button;
import android.widget.Toast;

import com.nullwire.trace.ExceptionHandler;

import dk.thoerup.android.traininfo.common.StationEntry;
import dk.thoerup.androidutils.CheckUpdates;
import dk.thoerup.traininfo.provider.OfflineStationProvider;
import dk.thoerup.traininfo.provider.ProviderFactory;
import dk.thoerup.traininfo.provider.StationProvider;
import dk.thoerup.traininfo.stationmap.GeoPair;
import dk.thoerup.traininfo.stationmap.StationMapView;
import dk.thoerup.traininfo.util.MessageBox;

public class WelcomeScreen extends Activity{
        
        final static String stationsreload = "stationsreload";
        final static int MENU_SETTINGS = 1;
        final static int MENU_RELOAD = 2;
        
        
        public enum ListType {
                ListNearest,
                ListSearch,
                ListFavorites
        }
        
        Handler handler = new Handler();
        
        SharedPreferences prefs;
        
        @Override
        public void onCreate(Bundle savedInstanceState) {
                
                super.onCreate(savedInstanceState);
                
                prefs = getSharedPreferences("TrainStation", 0);
                
                requestWindowFeature( Window.FEATURE_NO_TITLE );
                setContentView(R.layout.welcome);
                
                Button nearestButton = (Button) findViewById(R.id.nearest);
                nearestButton.setOnClickListener( new StationListListener(ListType.ListNearest));
                
                Button searchButton = (Button) findViewById(R.id.search);
                searchButton.setOnClickListener( new StationListListener(ListType.ListSearch));
                
                Button favoritesButton = (Button) findViewById(R.id.favorites);
                favoritesButton.setOnClickListener( new StationListListener(ListType.ListFavorites));
                
                Button aboutButton = (Button) findViewById(R.id.about);
                aboutButton.setOnClickListener( new AboutListener() );
                
                ExceptionHandler.register(this, "http://t-hoerup.dk/android/trace.php");
                
                CheckUpdates update = new CheckUpdates();
                update.checkForUpdates(this, "http://t-hoerup.dk/android/traininfo/version.txt", "TrainInfo DK", null);
                /*
                Runnable r = new Runnable() {
                        @Override
                        public void run() {
                                View splash = findViewById(R.id.splash);
                                splash.setVisibility(View.GONE);
                        }
                };              
                handler.postDelayed(r, 1500);
                */
                
                StationProvider sp = ProviderFactory.getStationProvider();
                
                if (sp instanceof OfflineStationProvider ) {
                        OfflineStationProvider osp = (OfflineStationProvider) sp;
                        try {
                                
                                long last = prefs.getLong(stationsreload, 0);
                                long now = System.currentTimeMillis();
                                
                                if ( (now-last) > (14*24*60*60*1000) ) {
                                        new StationLoader(osp).execute( (Void)null);
                                } else {
                                
                                        boolean didLoad = osp.loadStations(this);
                                        
                                        if (didLoad == false) {                                 
                                                new StationLoader(osp).execute( (Void)null);
                                        }
                                }
                                
                        } catch (Exception e) {
                                Toast.makeText(this, "" + e.getMessage(), Toast.LENGTH_SHORT).show();
                        }
                }
        }
        
        
        @Override
        protected void onDestroy() {
                super.onDestroy();
                ProviderFactory.purgeOldEntries(); //exiting application, do some cleanup
        }


        @Override
        public boolean onCreateOptionsMenu(Menu menu) {
                MenuItem item;
                
                item = menu.add(0, MENU_SETTINGS, 0, getString(R.string.welcome_settings) );
                item.setIcon(android.R.drawable.ic_menu_preferences);
                
                item = menu.add(0, MENU_RELOAD, 0, getString(R.string.welcome_reloadstations));
                item.setIcon(android.R.drawable.ic_menu_rotate);
                
                return true;
        }
        
        @Override
        public boolean onOptionsItemSelected(MenuItem item) {
                boolean retval = true;
                
                switch (item.getItemId()) {
                case MENU_SETTINGS:
                        Intent intent = new Intent(WelcomeScreen.this, SettingsScreen.class);
                        WelcomeScreen.this.startActivity(intent);
                        break;
                        
                case MENU_RELOAD:
                        OfflineStationProvider osp = (OfflineStationProvider) ProviderFactory.getStationProvider();
                        new StationLoader(osp).execute( (Void)null);                    
                        break;
                        
                default:
                        retval = super.onOptionsItemSelected(item);
                }
                
                return retval;
        }
        

        class AboutListener implements OnClickListener {

                @Override
                public void onClick(View v) {
                        /*
                        String appName = WelcomeScreen.this.getResources().getString(R.string.app_name);
                        String ver = WelcomeScreen.this.getResources().getString(R.string.app_version);                 
                        
                        StringBuffer message = new StringBuffer();
                        message.append(appName);
                        message.append(" v").append(ver).append("\n");
                        message.append("By Torben H. Nielsen\n"); 

                        MessageBox.showMessage(WelcomeScreen.this, message.toString());*/
                        Intent browserIntent = new Intent(Intent.ACTION_VIEW, Uri.parse("http://t-hoerup.dk/android/traininfo/")); 
                        startActivity(browserIntent);
                }

        }
        

        class StationListListener implements OnClickListener{
                ListType launchType;
                StationListListener(ListType type) {
                        launchType = type;
                }
                
                @Override
                public void onClick(View v) {
                        Intent intent = new Intent(WelcomeScreen.this, StationList.class);
                        intent.putExtra("type", launchType);
                        WelcomeScreen.this.startActivity(intent);
                }
                
        }
        
        class StationLoader extends AsyncTask<Void,Void,Void> {


                boolean succeeded;
                ProgressDialog dlg;
                OfflineStationProvider osp;
                
                public StationLoader(OfflineStationProvider osp) {
                        this.osp = osp;
                }
                
                @Override
                protected Void doInBackground(Void... params) {
                        try {
                                osp.downloadStations( WelcomeScreen.this );
                                succeeded = true;
                        } catch (Exception e) {
                                succeeded = false;
                                Toast.makeText(WelcomeScreen.this, "Error " + e.getMessage(), Toast.LENGTH_LONG).show();
                        }
                        return null;
                }

                @Override
                protected void onPreExecute() {
                        super.onPreExecute();
                        
                        dlg = new ProgressDialog(WelcomeScreen.this);
                        dlg.setMessage( "Downloading stations list" );//TODO: translate
                        dlg.setCancelable(true);
                        dlg.show();
                }

                @Override
                protected void onPostExecute(Void result) {
                        super.onPostExecute(result);
                        
                        dlg.dismiss();
                        dlg = null;
                        
                        if (succeeded) {
                                Editor edit = prefs.edit();
                                edit.putLong(stationsreload, System.currentTimeMillis() );
                                edit.commit();
                        }
                }       
        }
        
}
1	package dk.thoerup.traininfo;
2
3
4
5	import java.util.ArrayList;
6
7	import android.app.Activity;
8	import android.app.ProgressDialog;
9	import android.content.Intent;
10	import android.content.SharedPreferences;
11	import android.content.SharedPreferences.Editor;
12	import android.location.Location;
13	import android.net.Uri;
14	import android.os.AsyncTask;
15	import android.os.Bundle;
16	import android.os.Handler;
17	import android.util.Log;
18	import android.view.Menu;
19	import android.view.MenuItem;
20	import android.view.View;
21	import android.view.View.OnClickListener;
22	import android.view.Window;
23	import android.widget.Button;
24	import android.widget.Toast;
25
26	import com.nullwire.trace.ExceptionHandler;
27
28	import dk.thoerup.android.traininfo.common.StationEntry;
29	import dk.thoerup.androidutils.CheckUpdates;
30	import dk.thoerup.traininfo.provider.OfflineStationProvider;
31	import dk.thoerup.traininfo.provider.ProviderFactory;
32	import dk.thoerup.traininfo.provider.StationProvider;
33	import dk.thoerup.traininfo.stationmap.GeoPair;
34	import dk.thoerup.traininfo.stationmap.StationMapView;
35	import dk.thoerup.traininfo.util.MessageBox;
36
37	public class WelcomeScreen extends Activity{
38
39	final static String stationsreload = "stationsreload";
40	final static int MENU_SETTINGS = 1;
41	final static int MENU_RELOAD = 2;
42
43
44	public enum ListType {
45	ListNearest,
46	ListSearch,
47	ListFavorites
48	}
49
50	Handler handler = new Handler();
51
52	SharedPreferences prefs;
53
54	@Override
55	public void onCreate(Bundle savedInstanceState) {
56
57	super.onCreate(savedInstanceState);
58
59	prefs = getSharedPreferences("TrainStation", 0);
60
61	requestWindowFeature( Window.FEATURE_NO_TITLE );
62	setContentView(R.layout.welcome);
63
64	Button nearestButton = (Button) findViewById(R.id.nearest);
65	nearestButton.setOnClickListener( new StationListListener(ListType.ListNearest));
66
67	Button searchButton = (Button) findViewById(R.id.search);
68	searchButton.setOnClickListener( new StationListListener(ListType.ListSearch));
69
70	Button favoritesButton = (Button) findViewById(R.id.favorites);
71	favoritesButton.setOnClickListener( new StationListListener(ListType.ListFavorites));
72
73	Button aboutButton = (Button) findViewById(R.id.about);
74	aboutButton.setOnClickListener( new AboutListener() );
75
76	ExceptionHandler.register(this, "http://t-hoerup.dk/android/trace.php");
77
78	CheckUpdates update = new CheckUpdates();
79	update.checkForUpdates(this, "http://t-hoerup.dk/android/traininfo/version.txt", "TrainInfo DK", null);
80	/*
81	Runnable r = new Runnable() {
82	@Override
83	public void run() {
84	View splash = findViewById(R.id.splash);
85	splash.setVisibility(View.GONE);
86	}
87	};
88	handler.postDelayed(r, 1500);
89	*/
90
91	StationProvider sp = ProviderFactory.getStationProvider();
92
93	if (sp instanceof OfflineStationProvider ) {
94	OfflineStationProvider osp = (OfflineStationProvider) sp;
95	try {
96
97	long last = prefs.getLong(stationsreload, 0);
98	long now = System.currentTimeMillis();
99
100	if ( (now-last) > (142460601000) ) {
101	new StationLoader(osp).execute( (Void)null);
102	} else {
103
104	boolean didLoad = osp.loadStations(this);
105
106	if (didLoad == false) {
107	new StationLoader(osp).execute( (Void)null);
108	}
109	}
110
111	} catch (Exception e) {
112	Toast.makeText(this, "" + e.getMessage(), Toast.LENGTH_SHORT).show();
113	}
114	}
115	}
116
117
118
119	@Override
120	protected void onDestroy() {
121	super.onDestroy();
122	ProviderFactory.purgeOldEntries(); //exiting application, do some cleanup
123	}
124
125
126	@Override
127	public boolean onCreateOptionsMenu(Menu menu) {
128	MenuItem item;
129
130	item = menu.add(0, MENU_SETTINGS, 0, getString(R.string.welcome_settings) );
131	item.setIcon(android.R.drawable.ic_menu_preferences);
132
133	item = menu.add(0, MENU_RELOAD, 0, getString(R.string.welcome_reloadstations));
134	item.setIcon(android.R.drawable.ic_menu_rotate);
135
136	return true;
137	}
138
139	@Override
140	public boolean onOptionsItemSelected(MenuItem item) {
141	boolean retval = true;
142
143	switch (item.getItemId()) {
144	case MENU_SETTINGS:
145	Intent intent = new Intent(WelcomeScreen.this, SettingsScreen.class);
146	WelcomeScreen.this.startActivity(intent);
147	break;
148
149	case MENU_RELOAD:
150	OfflineStationProvider osp = (OfflineStationProvider) ProviderFactory.getStationProvider();
151	new StationLoader(osp).execute( (Void)null);
152	break;
153
154	default:
155	retval = super.onOptionsItemSelected(item);
156	}
157
158	return retval;
159	}
160
161
162	class AboutListener implements OnClickListener {
163
164	@Override
165	public void onClick(View v) {
166	/*
167	String appName = WelcomeScreen.this.getResources().getString(R.string.app_name);
168	String ver = WelcomeScreen.this.getResources().getString(R.string.app_version);
169
170	StringBuffer message = new StringBuffer();
171	message.append(appName);
172	message.append(" v").append(ver).append("\n");
173	message.append("By Torben H. Nielsen\n");
174
175	MessageBox.showMessage(WelcomeScreen.this, message.toString());*/
176	Intent browserIntent = new Intent(Intent.ACTION_VIEW, Uri.parse("http://t-hoerup.dk/android/traininfo/"));
177	startActivity(browserIntent);
178	}
179
180	}
181
182
183	class StationListListener implements OnClickListener{
184	ListType launchType;
185	StationListListener(ListType type) {
186	launchType = type;
187	}
188
189	@Override
190	public void onClick(View v) {
191	Intent intent = new Intent(WelcomeScreen.this, StationList.class);
192	intent.putExtra("type", launchType);
193	WelcomeScreen.this.startActivity(intent);
194	}
195
196	}
197
198	class StationLoader extends AsyncTask<Void,Void,Void> {
199
200
201	boolean succeeded;
202	ProgressDialog dlg;
203	OfflineStationProvider osp;
204
205	public StationLoader(OfflineStationProvider osp) {
206	this.osp = osp;
207	}
208
209	@Override
210	protected Void doInBackground(Void... params) {
211	try {
212	osp.downloadStations( WelcomeScreen.this );
213	succeeded = true;
214	} catch (Exception e) {
215	succeeded = false;
216	Toast.makeText(WelcomeScreen.this, "Error " + e.getMessage(), Toast.LENGTH_LONG).show();
217	}
218	return null;
219	}
220
221	@Override
222	protected void onPreExecute() {
223	super.onPreExecute();
224
225	dlg = new ProgressDialog(WelcomeScreen.this);
226	dlg.setMessage( "Downloading stations list" );//TODO: translate
227	dlg.setCancelable(true);
228	dlg.show();
229	}
230
231	@Override
232	protected void onPostExecute(Void result) {
233	super.onPostExecute(result);
234
235	dlg.dismiss();
236	dlg = null;
237
238	if (succeeded) {
239	Editor edit = prefs.edit();
240	edit.putLong(stationsreload, System.currentTimeMillis() );
241	edit.commit();
242	}
243	}
244	}
245
246	}